Henan agent Analog Signal Level Meter MS1801C main technical indicators of genuine original TV Signal Level Meter Analog Signal Level Meter Frequency / Channel Specifications Frequency Range: 46MHz to 870MHz 5MHz to 870MHz (MS1802) Channel range: China standard channel 1 to 56 additional channel Z1 ~ Z43 Frequency Accuracy: ± 50ppm (at 25 ° C ± 5 ° C) Resolution: 50KHz measurement bandwidth: 280KHz ± 50KHz frequency step away from: 50KHz, 100KHz, 1MHz, 10MHz, 100MHz, level measurement: Measuring range : 30 ~ 120dBuV measurement accuracy: ± 1.5dB (at 25 ° C ± 5 ° C) Resolution: 0.1dBuV detection method: the peak detector input impedance: 75Ω (unbalanced TAC or F-type connector) Voltage measurement: input range: 0 to 100VAC measurement Accuracy: ± 2V Resolution: 1V carrier-to-noise ratio level measurement range: 75 to 105dBuV Other Dimensions: 192mm × 140mm × 85mm Total Weight: less than 1.5Kg (including battery) Audio output: built-in speaker power machine battery: 7.2V/200mAh Ni-MH Charging time: 8 hours or more the Zhengzhou Hanson Radio and Television Communication Equipment Co., Ltd. Tel :0371 -53769167 / 55676313 Sales: Manager Zhu 18,939,564,786 QQ: 1,006,519,081 Address: Zijin Road, Zhengzhou City, the East Avenue Interchange 300 meters west (West Street No. 238 hospital attached to No. 63)